About: http://webisa.webdatacommons.org/68594766

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	toms, and substituted or unsubstituted heteroalkynylene having from 2 to about 8 carbon atoms, and preferably X is substituted or unsubstituted alkylene, particularly alkylene having 1 to 2 carbon atoms;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com